Machine Learning for Enhanced Operation of Underperforming Sensors in Humid Conditions

Using a single sensor as a virtual electronic nose, we demonstrate the possibility of obtaining good results with underperforming sensors that, at first glance, would be discarded. For this aim, we characterized chemical gas sensors with low repeatability and random drift towards both dangerous and...

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Bibliographic Details
Main Authors: Guillem Domènech-Gil, Donatella Puglisi
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Proceedings
Subjects:
Online Access:https://www.mdpi.com/2504-3900/97/1/87
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Summary:Using a single sensor as a virtual electronic nose, we demonstrate the possibility of obtaining good results with underperforming sensors that, at first glance, would be discarded. For this aim, we characterized chemical gas sensors with low repeatability and random drift towards both dangerous and innocuous volatile organic compounds (VOCs) under different levels of relative humidity. Our results show classification accuracies higher than 90% when differentiating harmful from harmless VOCs and coefficients of determination, R<sup>2</sup>, higher than 80% when determining their concentration in the parts per billion to parts per million range.
ISSN:2504-3900